เข็มโคกกรวด อ.; อนุตระกูลชัย ร. A Study of Mathematical Skills and Decimal Division Achievement of Grade 6 Students Using the Constructivist Learning Theory and the Polya Problem-Solving Process. Journal of MCU Nakhondhat, Nakhon Si Thammarat, Thailand, v. 5, n. 2, p. 136–151, 2018. Disponível em: https://so03.tci-thaijo.org/index.php/JMND/article/view/139484. Acesso em: 7 may. 2024.